In Neptune OS unless it's aĭriver-minidriver pair we always run "kernel" drivers in their separate processes so it Pointers around and call into other drivers directly. passing IRPs when you need to call another driver) and instead just pass That many Windows kernel drivers do not follow the standard Windows driver communication The main obstacle of achieving binary compatibility of kernel drivers is We should also be able to achieve a high degree of source code compatibility with Windows In theory we should be able to achieve binary compatibility with native WindowsĮxecutables provided that our implementation of the NT Native API is sufficiently faithful. That a ReactOS user land can be ported under Neptune OS, as well as most ReactOS kernelĭrivers. The eventual goal of the Neptune OS project is to implement enough NT semantics such With the NT Executive process via standard seL4 IPC primitives. On Neptune OS, we run all the Windows kernel driver in user mode and they communicate
On Windows these are loaded into kernel mode and linked with the NTOSKRNL.EXE image. Windows driver model), which includes functions like IoConnectInterrupt and IoCallDriver. The NTĮxecutive is also responsible for the Windows kernel driver interface (known as the (a somewhat redundant name if you ask me) with names such as NtCreateProcess. These are exposed to the user mode via stub functions in NTDLL.DLL NT Native API, the native system call interface of Windows upon which the more familiar The NT Executive implements the so-called Microsoft calls the "NT Executive", the upper layer of the Windows kernel NTOSKRNL.EXE,Īs a user process under the seL4 microkernel. Neptune OS is a Windows NT personality of the seL4 microkernel. Neptune OS: a WinNT personality of the seL4 microkernel
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